check valve

ok when i was replacing my vaccum lines and i was taking the ones of the check valve i cracked it because it was real brittle....so i went to Advanced and got a two way port check valve that said gm on it so i put it in....the only thing is it was different from the one i took out....the middle part was alot bigger....is this ok or does it have to be the exact replacement??

If you reallywant the GM part I might have one from my parted-out 1989 suburban, but I would need a pic to make sure. I would give it to you for the cost of shipping. But, again, I would need a pic to make sure I have it.

The various check valves operate under different parameters. If it works, don't fix it, but if you are noticing any negative affects, change it for an original match. Most auto parts house will carry those replacement parts. Keep your old around to match it up.

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